MT#61977 remove unused function

Change-Id: I171b7eedb1fd3686ce8c5b2b071511daaca3cb36

recording-daemon/output.c

@@ -518,11 +518,6 @@ err:
 }
 
 
-int output_config(output_t *output, const format_t *requested_format, format_t *actual_format) {
-	return output_config_(NULL, output, requested_format, actual_format) ? 0 : -1;
-}
-
-
 static bool output_shutdown(output_t *output, FILE **fp, GString **gs) {
 	if (!output)
 		return false;

recording-daemon/output.h

@@ -13,8 +13,6 @@ void output_init(const char *format);
 output_t *output_new_ext(metafile_t *, const char *type, const char *kind, const char *label);
 void output_close(metafile_t *, output_t *, tag_t *, bool discard);
 
-int output_config(output_t *output, const format_t *requested_format, format_t *actual_format);
-
 
 void sink_init(sink_t *);
 void sink_close(sink_t *sink);